Fig. 6.
HCO+ 4–3 moment maps. Left: integrated intensity (mom0) where contours are 0.025 × (1,3,5,7,9,11,13,15,17) Jy km s−1 beam−1. Colours range from 0 to 0.48 Jy km s−1 beam−1. Centre: velocity field (mom1) where contours range from 1650 km s−1 to 1825 km s−1 in steps of 25 km s−1, colours range from 1650 to 1825 km s−1. Right: dispersion map (mom2) where contours are 10 × (2,4,6,8) km s−1. Colours range from 20 to 100 km s−1. The cross indicates the position of the 345 GHz continuum peak.
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